126542932 has 6 divisors (see below), whose sum is σ = 221450138. Its totient is φ = 63271464.

The previous prime is 126542929. The next prime is 126542939. The reversal of 126542932 is 239245621.

It can be written as a sum of positive squares in only one way, i.e., 122677776 + 3865156 = 11076^2 + 1966^2 .

It is a super-2 number, since 2×126542932² = 32026227278313248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126542939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15817863 + ... + 15817870.

Almost surely, 2^126542932 is an apocalyptic number.

It is an amenable number.

126542932 is a deficient number, since it is larger than the sum of its proper divisors (94907206).

126542932 is a wasteful number, since it uses less digits than its factorization.

126542932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31635737 (or 31635735 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 126542932 is about 11249.1302774926. The cubic root of 126542932 is about 502.0488357436.

The spelling of 126542932 in words is "one hundred twenty-six million, five hundred forty-two thousand, nine hundred thirty-two".